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YTECH SOLAR
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Industrial · DG Khan, Punjab

Hassan Flour Mill — 500 kW

Half a megawatt on a flour mill whose grinding load runs straight through the generating window — close to the ideal industrial solar profile.

Capacity
500 kW
Commissioned
December 2024
Configuration
On-grid, no storage

How it was done

The engineering decisions

  1. Why a flour mill is close to the ideal solar load

    A mill grinds during the day. That single fact does more for the economics than any equipment choice: the generating window and the consumption window are the same window, so almost every unit produced is consumed on site at full industrial tariff rather than exported at the buyback rate. When I am asked which businesses solar actually suits in Pakistan, mills, ice plants and cold stores are the honest answer, and this is why.

  2. Sizing against the load, not the roof

    The array was sized against measured daytime consumption rather than against available roof area. Four SOLIS 125 kW inverters cover the 500 kW, which keeps any single inverter fault down to a quarter of plant output. Commissioned December 2024.

  3. What I was paid

    Wholesale procurement, original supplier invoices handed to the client, no margin taken on equipment, and 4% of total project cost invoiced once the system was commissioned and generating. The same terms as every project on this site.

What I was paid

The same terms as every project on this site

Equipment bought at wholesale and invoiced to the client in the supplier's own name. No margin taken on any of it. My fee is 4% of total project cost, invoiced once the system is commissioned and generating.

The client holds every original invoice. They can check what a panel or an inverter costs in the Lahore market, and I expect them to — the model only works if the paperwork survives that.

Book a site assessment How I charge

Project record

Commissioned
1 Dec 2024
System type
On-grid
Structure
Aluminium rail structure
Page updated
4 Aug 2026

Published with the client's written consent. Figures attributed to the client are marked as theirs.

The reasoning

Why this system was designed the way it was

The decisions on this project follow rules that apply to most sites in Pakistan. I have written them up in full — the sizing arithmetic under net billing, what payback really looks like against measured data, and how to check a quotation before you sign it.

More delivered work

Other projects

  • Simta Foods · Vehari Industrial

    1 MW
    PANELS
    594 × JA 715W N-Type Bifacial
    INVERTERS
    2 × SOLIS S5-GC125K 125 kW
    COMMISSIONED
    —
    MONTHLY SAVING
    PKR 1,900,000
    PAYBACK
    < 8 months
    MY FEE
    4%, on commissioning

    A megawatt on a food plant that runs its load through daylight — and 77 days of monitoring data, including the twelve days the inverters were off.

    Read the case study : Simta Foods, Vehari Industrial Estate — 1 MW

  • Rehman Corporation · Rangpur

    156 kW
    PANELS
    269 × JA 580W N-Type TOPCon
    INVERTERS
    1 × SOLIS S5-GC125K 125 kW
    COMMISSIONED
    —
    MY FEE
    4%, on commissioning

    A 156 kW commercial array in Rangpur — a mid-sized job that shows the same terms apply well outside the Lahore corridor.

    Read the case study : Rehman Corporation, Rangpur — 156 kW

All case studies